True Utility Nano Lite Multi-Tool Small Flashlight produces LED outputs of 4 Lumens and 0.22 Watts Designed to fit easily onto your key ring, belt, or backpack Waterproof and impact resistant Twist On/Off switch to operate, 3 sets of batteries included with purchase for added convenience Measures 1.4 x 0.3 x 0.3 in.; 0.1lbs.